JP2012209684A - Mobile terminal and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress an increase in the amount of power consumption due to unnecessary operation of a tuner by specifying the reception quality of a broadcast wave by a method not requiring the operation of the tuner.SOLUTION: A mobile terminal has a tuner unit for reproducing broadcast content based on a broadcast wave of one-segment broadcasting. The mobile terminal, when receiving a user's reproduction start instruction of the broadcast content (S1;YES), specifies the reception quality of the terminal at the current position stored in a reception quality DB that stores reception qualities of the broadcast wave at plural positions (S2, S3). The mobile terminal, when the specified reception quality satisfies a predetermined reception failure condition (S4;YES), inquires of the user about whether to start reproduction of the broadcast content by the tuner unit (S5). The mobile terminal receives a response to the inquiry from the user (S6), and when the response indicates the start of reproduction (S7;YES), operates the tuner unit to start reproduction (S8), or when a response indicating the start of reproduction is not received, does not operate the tuner unit.

Description

  The present invention relates to a portable terminal that receives broadcast waves such as one-segment broadcasting.

  Portable terminals equipped with tuners that receive broadcast waves such as one-segment broadcasting (hereinafter referred to as “one-segment broadcasting”) and reproduce broadcast contents including video and audio based on the received broadcast waves have become widespread. . In such a portable terminal, the battery remaining amount is limited, and the power consumption by the operation of the tuner in the portable terminal is relatively large compared to other functions. The continuous use time of the mobile terminal may be significantly shortened. As a technique for solving this problem, there are those disclosed in Patent Documents 1 and 2.

  Patent Document 1 determines whether or not the reception condition of a broadcast wave is good based on a bit error rate. When the bit error rate is equal to or higher than a threshold value, the video signal and the audio signal are decoded as usual. In the case where the error rate is less than the threshold value, it is disclosed that the audio signal is decoded while the still image holding the previous video is displayed. Patent Document 2 discloses that it is determined whether or not desired broadcast information is receivable, and when broadcast information cannot be received, a reception disapproval notification is displayed. According to the techniques disclosed in Patent Documents 1 and 2, since the opportunity for the portable terminal to perform the reproduction operation of the broadcast content until the reception state of the broadcast wave is bad can be reduced, the amount of power consumption of the terminal is suppressed. be able to.

JP 2005-223548 A No. 2006-093123

By the way, the techniques disclosed in Patent Documents 1 and 2 both determine the reception quality based on the broadcast wave received by the terminal device, and provide an opportunity for unnecessary reproduction operation based on the broadcast wave according to the determined reception quality. To reduce. That is, all of these techniques require the operation of a function corresponding to a tuner to determine reception quality. On the other hand, if the opportunity for operating the tuner can be further reduced, the amount of power consumption of the terminal device can be further reduced.
Therefore, an object of the present invention is to specify the reception quality of broadcast waves by a method that does not require operation of the tuner, and to suppress an increase in the amount of power consumption due to unnecessary operation of the tuner.

  In order to solve the above-described problems, a mobile terminal according to the present invention includes a tuner unit that reproduces broadcast content based on broadcast waves, a position specifying unit that specifies the current position of the terminal, and an instruction to start playback of the broadcast content. When the instruction is received by the instruction receiving unit and the instruction receiving unit, the position specifying unit stored in the reception quality storage unit that stores the reception quality of the broadcast wave at a plurality of positions is specified. A reception quality specifying unit for specifying the reception quality at the current position, and an inquiry unit for inquiring a user whether or not to start the reproduction when the reception quality specified by the reception quality specifying unit satisfies a predetermined reception failure condition; A response reception unit that receives a response from the user to the inquiry by the inquiry unit, and a response to start the reproduction is received by the response reception unit. If you did, it characterized in that it comprises a tuner controller, not to start the reproduction of the broadcast content to the tuner in response to the instruction.

  In the present invention, the wireless communication unit includes a wireless communication unit that wirelessly communicates with an external device having the reception quality storage unit, and the reception quality specifying unit uses the wireless communication unit to notify the reception quality at the specified current position. You may make it request | require from the said external device and specify the said reception quality based on the notification received from the said external device by the said radio | wireless communication part.

  Further, in the present invention, the terminal has the reception quality storage unit, and the reception quality storage unit is based on the identified current position and the reception quality of the broadcast wave received by the tuner unit at the position. An update unit that updates the stored contents of the above may be provided. In this configuration, a wireless communication unit that receives update data indicating reception quality of the broadcast wave at a predetermined position from an external device is provided, and the update unit receives the update data based on the update data received by the wireless communication unit. You may make it update the memory content of a quality memory | storage part.

  Further, in the present invention, a response specifying unit that specifies the number of times or the frequency at which the response to start reproduction is received by the response receiving unit is provided, and the number or frequency specified by the response specifying unit is equal to or greater than a threshold value. In some cases, the inquiry unit does not make an inquiry to the user, and the tuner control unit causes the tuner unit to start playing the broadcast content when the instruction is received by the instruction receiving unit. It may be.

  Further, in the present invention, a response specifying unit that specifies the number of times or the frequency at which the response to start the reproduction is received by the response receiving unit, the inquiry unit, the number of times specified by the response specifying unit or When the frequency is equal to or higher than the threshold, the reception quality for determining that the reception failure condition is satisfied may be shifted to a lower level from the case where the frequency or frequency is less than the threshold.

  The program of the present invention provides a user of a mobile terminal computer having a tuner unit for playing back broadcast contents based on broadcast waves with a position specifying step for specifying the current position of the mobile terminal and an instruction to start playback of the broadcast contents. An instruction receiving step that is received from the current position specified in the position specifying step stored in a reception quality storage unit that stores the reception quality of the broadcast wave at a plurality of positions when the instruction is received in the instruction receiving step A reception quality specifying step for specifying the reception quality at a position; and an inquiry step for inquiring a user whether or not to start the reproduction when the reception quality specified in the reception quality specification step satisfies a predetermined reception failure condition; A response accepting step for accepting a response from the user to the query in the query step; and the response If the response to the effect that the reproduction start has not been accepted by the urging step is intended for executing the tuner control step does not initiate the reproduction of the broadcast content to the tuner in response to the instruction.

  According to the present invention, it is possible to identify the reception quality of broadcast waves by a method that does not require the operation of the tuner, and to suppress an increase in the amount of power consumption due to unnecessary operation of the tuner.

1 is a diagram showing an overall configuration of a system according to an embodiment of the present invention. The block diagram which shows the structure of a portable terminal. The figure which shows the data structure of reception quality DB. The functional block diagram which shows the function structure which the control part of 1st Embodiment implement | achieves. The flowchart which shows the operation | movement procedure in a portable terminal. The figure which shows an inquiry screen. The block diagram which shows the structure of a portable terminal. The functional block diagram which shows the function structure which the control part of 2nd Embodiment implement | achieves. The functional block diagram which shows the function structure which the control part of the modification 1 implement | achieves.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[First Embodiment]
First, a first embodiment of the present invention will be described.
FIG. 1 is a diagram showing the overall configuration of the system of the present embodiment.
Here, the mobile terminal 10 is a mobile phone terminal, and includes a TV tuner, an antenna, and the like so that the user can view one-segment broadcasting. The mobile terminal 10 can be connected to the network NW to perform wireless communication. The server device 20 is a server device managed by, for example, a communication carrier, and is an external device viewed from the mobile terminal 10. The server devices 20 are connected to each other by wireless communication via the mobile terminal 10 and the network NW. The server device 20 stores a reception quality DB 30 in the device. The reception quality DB 30 functions as a reception quality storage unit that stores the reception quality of broadcast waves at a plurality of positions, and is a database that manages standard reception quality at each of a plurality of positions. The broadcast wave of this embodiment is a one-segment broadcast wave. The reception quality is a parameter serving as an index of broadcast wave transmission quality, and is defined by, for example, a bit error rate (BER) and a signal-to-noise ratio (S / N ratio). The content stored in the reception quality DB 30 is obtained, for example, from measurement results obtained by performing a BER test or signal-to-noise ratio measurement at each location. A more detailed configuration of the reception quality DB 30 will be described later. Here, the network NW is a communication network including a mobile communication network, a gateway, and the Internet.

FIG. 2 is a block diagram illustrating a configuration of the mobile terminal 10. As shown in FIG. 2, the mobile terminal 10 includes a control unit 11, a voice input / output unit 12, a wireless communication unit 13, an operation unit 14, a display unit 15, a tuner unit 16, a positioning unit 17, And a storage unit 18.
The control unit 11 includes an arithmetic device including a CPU (Central Processing Unit) and a memory. The arithmetic device reads the program stored in the storage unit 18 into the memory and executes it, thereby controlling the mobile terminal 10. The voice input / output unit 12 includes a microphone that picks up received voice and the like, a speaker that emits transmitted voice and one-segment broadcasting voice, and realizes functions related to voice input / output with respect to the mobile terminal 10. The wireless communication unit 13 is an interface for connecting to the network NW. The operation unit 14 includes a plurality of operation elements such as a numeric keypad, and accepts operation of the operation elements by the user. The display unit 15 includes, for example, a liquid crystal driving circuit and a liquid crystal display, and displays various images including one-seg broadcasting video.

  The tuner unit 16 reproduces broadcast contents including a video signal and an audio signal based on a broadcast wave of a one-segment broadcast received by an antenna (not shown). Specifically, the tuner unit 16 demodulates an audio signal and a video signal from a broadcast wave in a frequency band corresponding to the selected television channel, and outputs the demodulated audio signal and video signal. The control unit 11 outputs the audio signal from the tuner unit 16 to the audio input / output unit 12 for audio output, and outputs the video signal from the tuner unit 16 to the display unit 15 for video output. The positioning unit 17 measures the position of the mobile terminal 10 according to a GPS (Global Positioning System) positioning method, and generates position information indicating the measured position. The position information generated by the positioning unit 17 indicates the latitude and longitude of the current position of the mobile terminal 10. The storage unit 18 includes, for example, an EEPROM (Electronically Erasable and Programmable ROM), and stores a program executed by the control unit 11.

FIG. 3 is a diagram illustrating a data structure of the reception quality DB 30.
As shown in FIG. 3, in the reception quality DB 30, information is described in each field of “location” and “reception quality”, and these pieces of information are associated with each other. In the “location” field, information for identifying each location where the reception quality is registered in the reception quality DB 30 is described. Here, it is assumed that information capable of specifying latitude and longitude is described in the “location” field. In the “reception quality” field, any one of “◎”, “◯”, “Δ”, and “×” is described as a parameter indicating the standard reception quality of the broadcast wave. Here, the reception quality is divided into four stages, and the former one indicates that the reception quality is better. For example, the reception quality “◎” means that video and audio are not interrupted when viewing one-segment broadcasting. The reception quality “×” indicates that viewing of the one-segment broadcasting is impossible. The reception quality “◯” and “Δ” mean medium reception quality, respectively, but the user can view the one-segment broadcast, but the broadcast content may be temporarily interrupted.
Here, the reception quality is divided into four stages, but the number of divisions is an example, and may be divided into three or less or five or more stages.

In this embodiment, reception quality at a plurality of positions is defined in the reception quality DB 30 as follows. For example, in the places “A Park” and “B Amusement Park” that are outdoors, the reception quality is “◎”. The reception quality is “◯” at the place “C station” including the indoor part. In the indoor location “D building”, the reception quality is “Δ”. At the place “E street”, the reception quality is “x” because the broadcast wave hardly propagates due to the fact that it is outdoors but passes through a high-rise building group. As described above, the reception quality DB 30 stores the reception quality of broadcast waves for various locations that can be measured by the mobile terminal 10. Even in places where GPS positioning is possible, the reception quality of broadcast waves varies from place to place.
Note that the reception quality DB 30 only stores standard reception quality, so the mobile terminal 10 cannot always receive broadcast waves with reception sensitivity that reflects this reception quality. For example, even in a place where the reception quality is good, the reception sensitivity of the broadcast wave may be lowered due to the influence of the surrounding environment or disturbance of the position of the mobile terminal 10, but the place where the reception quality is bad. Even in such a case, the reception sensitivity of the broadcast wave may be sufficiently ensured in some places.
Then, the function which the control part 11 of the portable terminal 10 implement | achieves is demonstrated.

FIG. 4 is a functional block diagram illustrating a functional configuration realized by the control unit 11.
By executing the program, the control unit 11 corresponds to the position specifying unit 111, the instruction receiving unit 112, the reception quality specifying unit 113, the inquiry unit 114, the response receiving unit 115, and the tuner control unit 116. Realize the function.
The position specifying unit 111 specifies the current position of the mobile terminal 10. When the position of the mobile terminal 10 is measured by the positioning unit 17, the position specifying unit 111 acquires position information indicating the position measured by the positioning unit 17. The position specifying unit 111 specifies the current position of the mobile terminal 10 based on the acquired position information.

  The instruction receiving unit 112 receives an instruction to start reproduction of broadcast content (hereinafter referred to as “reproduction start instruction”) from the user by the operation of the operation unit 14 by the user. The instruction receiving unit 112 receives a playback start instruction when the tuner unit 16 is not playing back broadcast content based on broadcast waves, such as when the mobile terminal 10 is not in a mode that allows viewing of one-segment broadcasting.

  When the instruction receiving unit 112 receives a playback start instruction, the reception quality specifying unit 113 specifies the reception quality of the broadcast wave at the current position specified by the position specifying unit 111 and stored in the reception quality DB 30. Specifically, when the position specifying unit 111 specifies the current position when the instruction receiving unit 112 receives a reproduction start instruction, the reception quality specifying unit 113 sets the current position specified in the reception quality DB 30. The wireless communication unit 13 requests the server device 20 to notify the reception quality at the wireless communication unit 13. The reception quality specifying unit 113 specifies the reception quality based on the notification received from the server device 20 by the wireless communication unit 13 in response to this request.

When the reception quality specified by the reception quality specifying unit 113 satisfies a predetermined reception failure condition, the inquiry unit 114 inquires of the user whether or not the tuner unit 16 has started playing the broadcast content. The reception failure condition is a condition when the reception quality of the broadcast wave is treated as bad in the mobile terminal 10, and is determined at the design stage, for example. Here, the inquiry unit 114 determines that the reception failure condition is satisfied when the reception quality specified by the reception quality specifying unit 113 is “Δ” or “×”. When the reception failure condition is satisfied, the inquiry unit 114 displays a screen showing the inquiry content on the display unit 15 and prompts the user to respond to the inquiry.
Note that when the reception quality is “又 は” or “は”, the inquiry unit 114 determines that the reception failure condition is not satisfied, and does not make an inquiry to the user regarding whether or not to start playing the broadcast content.

The response reception unit 115 receives a response from the user to the inquiry by the inquiry unit 114. The response reception unit 115 is instructed by the user's operation unit 14 whether or not the tuner unit 16 starts to reproduce the broadcast content.
When the response accepting unit 115 does not accept a response to start reproduction of broadcast content, the tuner control unit 116 does not cause the tuner unit 16 to start reproducing the broadcast content in response to the reproduction start instruction. On the other hand, the tuner control unit 116 causes the tuner unit 16 to start playing the broadcast content based on the broadcast wave when the response accepting unit 115 accepts a response to start the reproduction of the broadcast content.
If the reception quality specified by the reception quality specifying unit 113 is “◎” or “◯” and does not satisfy the reception failure condition, the tuner control unit 116 immediately responds to the tuner according to the reproduction start instruction. The unit 16 is caused to start playing the broadcast content.
Next, the operation of the mobile terminal 10 will be described.

FIG. 5 is a flowchart showing an operation procedure in the mobile terminal 10. Before the operation described below, it is assumed that the tuner unit 16 of the mobile terminal 10 is not operating and the tuner unit 16 is not reproducing broadcast content based on broadcast waves.
The control unit 11 determines whether or not a reproduction start instruction has been received by the user's operation of the operation unit 14 (step S1). Here, when the control unit 11 determines that the operation of the operation unit 14 for instructing the start of viewing of the one-segment broadcasting is performed by the user and the reproduction start instruction is received (step S1; YES), the control unit 11 proceeds to the process of step S2.

  Next, the control unit 11 performs positioning by the positioning unit 17 and specifies the current position of the mobile terminal 10 based on the position information generated by the positioning unit 17 (step S2). Next, the control unit 11 transmits a broadcast wave reception quality notification request at the current position specified by the positioning in step S <b> 2 to the server device 20 by the wireless communication unit 13. The server device 20 that has received this notification request identifies the location indicated by the location information included in the notification request, and identifies the reception quality associated with this location in the reception quality DB 30. Then, the server device 20 notifies the mobile terminal 10 of the specified reception quality. The control unit 11 specifies the reception quality based on the notification received from the server device 20 by the wireless communication unit 13. Here, it is assumed that the control unit 11 specifies the reception quality “Δ” at the place “D building”.

Next, the control unit 11 determines whether or not the reception quality specified in the process of step S3 satisfies the reception failure condition (step S4). As described above, the control unit 11 determines that the reception failure condition is satisfied when the reception quality at the current position is “Δ” or “×”. Therefore, the control unit 11 determines “YES” in the process of step S4, and proceeds to the process of step S5.
Next, the control unit 11 inquires of the user whether the tuner unit 16 has started playback of the broadcast content (step S5). Here, the control unit 11 displays an inquiry screen having the contents shown in FIG. 6 on the display unit 15 and prompts the user to respond to the inquiry. As shown in FIG. 6, on the inquiry screen, a soft button Sb1 indicated as “YES” is displayed together with a message “There is a possibility that viewing is difficult due to bad reception of broadcast waves. And a soft button Sb2 indicated as “NO”. The user operates the operation unit 14 to move the cursor C on the inquiry screen, and selects either the soft button Sb1 or Sb2.

  When receiving a user response via the inquiry screen (step S6), the control unit 11 determines whether or not the broadcast content is to be started to be reproduced by the tuner unit 16 (step S7). When the soft button Sb1 is selected by the user and a response to start playback is received in the process of step S6 (step S7; YES), the control unit 11 operates the tuner unit 16 to broadcast to the tuner unit 16. The reproduction of the broadcast content based on the wave is started (step S8). In response to the processing in step S8, the tuner unit 16 continues to reproduce the broadcast content, and the user of the mobile terminal 10 can view the one-segment broadcast during this reproduction period.

  On the other hand, when the soft button Sb2 on the inquiry screen is selected by the user and a response indicating that the reproduction of the broadcast content is not started is received in the process of step S6 (step S7; NO), the control unit 11 selects the tuner unit 16. The process is terminated without operating. At this time, the control unit 11 may display a message “Did not start the 1Seg mode” on the display unit 15. For example, if the user wants to watch 1Seg broadcasting but recognizes that the user is in a place with poor reception quality by looking at the inquiry screen and gives up watching 1Seg broadcasting, a response not starting playback is given. To do. As a result, the control unit 11 does not need to operate the tuner unit 16 in a place where the reception quality is poor. The amount of can be reduced.

  By the way, when the control unit 11 determines that the reception failure condition is not satisfied in the process of step S4, that is, the reception quality is good (step S4; NO), the tuner 11 is not executed without executing the processes of steps S5 to S7. The unit 16 is operated to start reproduction of the broadcast content (step S8). According to the contents of the reception quality DB 30 shown in FIG. 3, when the mobile terminal 10 is in the A park or B amusement park, the control unit 11 determines that the reception failure condition is not satisfied. Thus, when it is known in advance that the reception quality is good based on the reception quality DB 30, the control unit 11 immediately activates the tuner unit 16 because the user wants to watch the one-segment broadcasting. To start playback of the broadcast content. Thereby, in a place where the reception quality of the mobile terminal 10 is good, the user can view the one-segment broadcasting without displaying the inquiry screen. Therefore, there is no troublesome trouble for the user to respond to the inquiry screen every time the one-seg broadcast is viewed.

  According to the first embodiment described above, when the mobile terminal 10 receives a playback start instruction for starting viewing of one-segment broadcasting from the user, the mobile terminal 10 stores the reception quality of the broadcast wave at the current position in the reception quality DB 30. Identify based on. Thus, since the portable terminal 10 does not determine the reception quality based on the broadcast wave received by the terminal itself, the tuner unit 16 is not operated for the purpose of determining the reception quality. As a result, the mobile terminal 10 has fewer opportunities for operation of the tuner unit 16 than when the tuner unit 16 is operated each time reception quality is specified, and power consumption due to unnecessary operation of the tuner unit 16 of the mobile terminal 10. An increase in the amount can be suppressed. In addition, since the tuner unit 16 of the mobile terminal 10 is activated and the reproduction operation of the broadcast content is started, it is possible to avoid the occurrence of the situation that the one-segment broadcasting cannot be viewed due to poor reception of the broadcast wave. As a result, when one expects to be able to watch 1Seg broadcasting, it is difficult to feel the stress due to the difficulty in viewing. In addition, when the mobile terminal 10 satisfies the reception failure condition, the mobile terminal 10 asks the user whether or not the tuner unit 16 should start playback of the broadcast content. Therefore, whether the user gives priority to viewing the one-segment broadcast or not. Whether or not to start reproduction of the broadcast content of the tuner unit 16 is determined in accordance with the situation that priority is given to securing the remaining battery level. Therefore, the mobile terminal 10 can realize an operation more in line with the user's intention.

[Second Embodiment]
Next, a second embodiment of the present invention will be described.
The mobile terminal 10 of the second embodiment is different from the configuration of the first embodiment described above in that the mobile terminal 10 has a reception quality DB 30 in its own terminal and specifies the reception quality based on the reception quality DB 30. In the following description, among the configurations included in the mobile terminal 10 according to the present embodiment, those common to the configurations included in the mobile terminal 10 according to the first embodiment are denoted by the same reference numerals, and description of each configuration is omitted. To do. The hardware configuration of the mobile terminal 10 is the same as that of the first embodiment.

FIG. 7 is a block diagram illustrating a configuration of the mobile terminal 10.
As shown in FIG. 7, the mobile terminal 10 includes a control unit 11, a voice input / output unit 12, a wireless communication unit 13, an operation unit 14, a display unit 15, a tuner unit 16, a positioning unit 17, And a storage unit 18. The storage unit 18 stores the reception quality DB 30. The reception quality DB 30 may be a database having the contents shown in FIG. 3 as in the first embodiment described above. The reception quality DB 30 of the present embodiment is periodically distributed from, for example, the server device 20, and is taken into the mobile terminal 10 when the mobile terminal 10 receives it and stores it in the storage unit 18.

FIG. 8 is a functional block diagram illustrating a functional configuration realized by the control unit 11.
The control unit 11 executes the program so that the position specifying unit 111, the instruction receiving unit 112, the reception quality specifying unit 113, the inquiry unit 114, the response receiving unit 115, the tuner control unit 116, and the updating unit 117 are executed. Each function corresponding to is realized. Among these functions, the functions of the position specifying unit 111, the instruction receiving unit 112, the reception quality specifying unit 113, the inquiry unit 114, the response receiving unit 115, and the tuner control unit 116 are the same as those in the first embodiment described above. Therefore, the description thereof is omitted.

The update unit 117 updates the stored contents of the reception quality DB 30 stored in the storage unit 18. First, the updating unit 117 starts the reproduction of the broadcast content by the tuner unit 16, and during the period when the broadcast content based on the broadcast wave is being reproduced, the tuner unit 16 has the current position of the mobile terminal 10 and the tuner unit 16 at the current position. The reception quality of the broadcast wave to be received is specified. The updating unit 117 updates the stored contents of the reception quality DB 30 based on this identification result. For example, the reception quality of broadcast waves may fluctuate due to changes in the surrounding environment. For example, even if the reception quality of the broadcast wave is originally good, if a high-rise building is built in the neighborhood, the propagation path of the broadcast wave is blocked and the reception quality of the broadcast wave is deteriorated. Can be considered. For this reason, it is preferable that the reception quality DB 30 that is referred to when the mobile terminal 10 specifies reception quality always reflects the latest reception quality.
Therefore, the update unit 117 calculates parameters indicating the degree of reception quality such as a bit error rate and an S / N ratio during a period in which the broadcast content based on the broadcast wave is being reproduced by the tuner unit 16, and corresponds to the calculated parameters. The received quality (any one of “◎”, “◯”, “Δ”, or “×”) is associated with the location where the received quality is calculated and stored in the received quality DB 30.

Secondly, the update unit 117 acquires update data indicating the reception quality of broadcast waves at a predetermined location when the wireless communication unit 13 receives the update data from the server device 20, and receives the update data based on the acquired update data. The contents stored in the quality DB 30 are updated. The reason for updating the reception quality DB 30 in this way is the same as that described above. The update data here may be data for updating so as to obtain the reception quality obtained by the measurement of the operator of the server device 20 or the latest data obtained by the mobile terminal of another user. It may be data for updating to synchronize with the reception quality. In the latter case, the server device 20 collects the terminal positions of the portable terminals all over the country and the reception quality of the broadcast wave received by the tuner unit at the terminal positions, and reflects this correspondence in the reception quality DB 30. The update data may be generated and distributed simultaneously to the mobile terminal 10 or the like.
Note that the operation of the mobile terminal 10 differs only in that the process of specifying the reception quality in the process of step S3 described above refers to the reception quality DB 30 stored in the storage unit 18, and the other operations are as follows. This is the same as the first embodiment described above.

  According to the second embodiment described above, the mobile terminal 10 refers to the reception quality DB 30 in its own terminal based on the current position when the reproduction start instruction is received, and specifies the reception quality at that position. . As described above, since the mobile terminal 10 does not determine the reception quality based on the broadcast wave received by the terminal itself, the mobile terminal 10 achieves the same effect as the first embodiment described above, and refers to the reception quality DB 30. It can also be expected that the power consumption of the mobile terminal 10 is further reduced by the amount that does not require communication. Further, the mobile terminal 10 updates the stored content of the reception quality DB 30 based on the position measured by the positioning unit 17 and the reception quality of the broadcast wave received by the tuner unit 16 at the position, or from the server device 20. Based on the update data, the contents stored in the reception quality DB 30 are updated. Thereby, even if the portable terminal 10 has the reception quality DB 30 in its own terminal, the latest reception quality is reflected in the reception quality DB 30 so that the portable terminal 10 can actually The reception quality can be specified.

[Modification]
The present invention can be implemented in a form different from the above-described embodiment. The present invention can also be implemented in the following forms, for example. Further, the following modifications may be combined as appropriate.
[Modification 1]
From the user's point of view, it may be necessary to view the 1Seg broadcast even when the reception quality is slightly poor, or it may be sufficient to view the 1Seg broadcast only when the reception quality is good. Therefore, in this modification, the mobile terminal 10 determines how much the user wants to watch the one-segment broadcasting from the result of the response in the process of step S6, and based on this determination result, the tuner unit 16 for the user Change the presence or absence of an inquiry about whether or not to start playing the broadcast content. Hereinafter, although the aspect with which the portable terminal 10 of 1st Embodiment was equipped with the structure of this modification is demonstrated, even if it is the portable terminal 10 of 2nd Embodiment, it can implement similarly.

FIG. 9 is a functional block diagram illustrating a functional configuration realized by the control unit 11.
By executing the program, the control unit 11 executes a position specifying unit 111, an instruction receiving unit 112, a reception quality specifying unit 113, an inquiry unit 114, a response receiving unit 115, a tuner control unit 116, and a response specifying unit. Each function corresponding to 118 is realized. Among these functions, the functions of the position specifying unit 111, the instruction receiving unit 112, the reception quality specifying unit 113, the inquiry unit 114, the response receiving unit 115, and the tuner control unit 116 are the same as those in the first embodiment described above. Therefore, the description thereof is omitted.
The response identifying unit 118 counts the number of times that the response accepting unit 115 has accepted a response to start reproduction, and identifies this number. The response specifying unit 118 notifies the inquiry unit 114 and the tuner control unit 116 of the fact that the number of times that a response to start playback has been received exceeds a threshold (for example, 20 times). After receiving this notification, the inquiry unit 114 does not inquire the user whether or not reproduction has started. After receiving this notification, the tuner control unit 116 activates the tuner unit 16 to start playback of the broadcast content when the instruction receiving unit 112 receives a playback start instruction.

According to the configuration of this modified example, even if the reception quality is a little poor, the mobile terminal 10 frequently inquires about whether or not to start playback of the broadcast content and the response to the user who wants to view the 1Seg broadcast. Since there is not, it is possible to reduce the time and effort imposed on the user. In addition, for users who need to be able to view one-segment broadcasting only when the reception quality is good, unnecessary operation of the tuner unit 16 can be efficiently suppressed, and thus power consumption of the mobile terminal 10 can be suppressed. From this point of view, it is preferable.
In this modification, instead of specifying the number of times the response specifying unit 118 has received a response to start reproduction, the frequency at which the response is received may be specified. Even in this case, when the frequency at which a response to start playback is received exceeds a threshold (for example, five or more times in the last week), the response specifying unit 118 informs the inquiry unit 114 of that fact. The inquiry control unit 114 and the tuner control unit 116 may function as described above.

[Modification 2]
In the portable terminal 10 of each embodiment described above, the reception failure condition is fixed, but this may be changed dynamically. Here, for the same reason as in the above-described modification 1, the mobile terminal 10 determines how much the user wants to watch the one-segment broadcasting from the result of the response in the process of step S6, and based on this determination result A reception failure condition indicating that the reception quality is bad is set. In this case, what is necessary is just to change the structure of the modification 1 as follows.
When the number of times or frequency specified by the response specifying unit 118 is equal to or greater than the threshold, the inquiry unit 114 determines that the reception quality that determines that the reception failure condition is satisfied from the case where the number of times or frequency is less than the threshold. Shift. For example, by default, the inquiry unit 114 determines that the reception failure condition is satisfied when the reception quality is “Δ” or “×”, and makes an inquiry to the user. When the threshold value is reached, the inquiry is not made when the reception quality is “Δ”, and the inquiry is made only when it is “x”. Even with this configuration, the same effects as those of the first modification described above can be obtained, and the mobile terminal 10 operates in a manner that takes into account the usage status of the mobile terminal 10 of the user.

[Modification 3]
In each of the embodiments described above, the control unit 11 causes the positioning unit 17 to measure the current position in response to a playback start instruction from the user. Instead, in the mobile terminal 10, when the positioning unit 17 is set to an operation mode in which positioning is repeated periodically, for example, the control unit 11 omits the process of step S2 and performs an operation of receiving a reproduction start instruction. You may make it identify receiving quality using the newest positioning result in the positioning part 17 at the time of receiving.
In addition, the mobile terminal 10 may accept a playback start instruction and a response to an inquiry by using a technique such as voice recognition for various instructions by the user. In short, an instruction and a response from the user by a method other than the operation of the operation unit 14. May be accepted. In addition, when the response reception unit 115 does not receive a response from the user, the tuner control unit 116 may prevent the tuner unit 16 from starting playback of the broadcast content.

[Modification 4]
Further, the mobile terminal 10 may specify the current position of the terminal itself by a method other than the GPS positioning method. You may measure the position of the base station unit which comprises the portable terminal 10, for example, a femtocell, or a macrocell. In this case, the mobile terminal 10 acquires a base station ID for identifying each base station transmitted from the base station, and specifies the cell of the base station indicated by the base station ID as the current position. Similarly, the mobile terminal 10 may measure the position of each sector configured by the base station, and may determine the position of each relay device used in a service called IMCS (Inbuilding Mobile Communication System) (registered trademark). You may specify.

[Modification 5]
In each of the above-described embodiments, the case where the mobile terminal of the present invention is applied to a mobile phone terminal has been described. However, the present invention can also be applied to other mobile terminals. For example, the present invention can be applied to various portable terminals such as a smartphone, a PDA (Personal Digital Assistance), and a portable game machine. In addition, depending on the mobile terminal, the present invention can be specified by appropriately setting the internal configuration of the mobile terminal 10 as an external configuration.
In each of the above-described embodiments, the mobile terminal 10 reproduces the broadcast content based on the broadcast wave of the one-segment broadcast. However, the broadcast mode is not particularly limited in the present invention. In other words, the tuner unit may reproduce the broadcast content based on the broadcast wave of the digital broadcast, or may reproduce the broadcast content based on the broadcast wave of the analog broadcast.
Moreover, each function which the control part 11 of the portable terminal 10 implement | achieves is implement | achieved by the combination of a some program, or may be implement | achieved by cooperation of a some hardware resource.

DESCRIPTION OF SYMBOLS 10 ... Portable terminal, 11 ... Control part, 111 ... Position specification part, 112 ... Instruction reception part, 113 ... Reception quality specification part, 114 ... Inquiry part, 115 ... Response reception part, 116 ... Tuner control part, 117 ... Update part 118 ... Response specifying unit, 12 ... Voice input / output unit, 13 ... Wireless communication unit, 14 ... Operation unit, 15 ... Display unit, 16 ... Tuner unit, 17 ... Positioning unit, 18 ... Storage unit, 20 ... Server device, 30 ... Received quality DB

Claims (7)

A tuner unit for reproducing broadcast contents based on broadcast waves;
A location identifying unit that identifies the current location of the terminal;
An instruction receiving unit for receiving an instruction to start reproduction of the broadcast content from a user;
When the instruction is received by the instruction receiving unit, the reception quality at the current position specified by the position specifying unit is stored in a reception quality storage unit that stores the reception quality of the broadcast wave at a plurality of positions. A reception quality identification unit to be identified;
When the reception quality specified by the reception quality specifying unit satisfies a predetermined reception failure condition, an inquiry unit that inquires the user whether or not the reproduction is started,
A response reception unit that receives a response from the user to the inquiry by the inquiry unit;
A portable terminal comprising: a tuner control unit that does not cause the tuner unit to start playback of the broadcast content in response to the instruction when the response reception unit does not receive a response to start the playback. A wireless communication unit that wirelessly communicates with an external device having the reception quality storage unit;
The reception quality specifying unit
The wireless communication unit requests the external device to notify the reception quality at the specified current position, and specifies the reception quality based on the notification received from the external device by the wireless communication unit. The mobile terminal according to claim 1. The own terminal has the reception quality storage unit,
The update unit for updating the storage content of the reception quality storage unit based on the specified current position and the reception quality of the broadcast wave received by the tuner unit at the position. The portable terminal as described in. A wireless communication unit that receives update data indicating the reception quality of the broadcast wave at a predetermined position from an external device,
The update unit
The mobile terminal according to claim 3, wherein the content stored in the reception quality storage unit is updated based on update data received by the wireless communication unit. A response identifying unit that identifies the number of times or the frequency at which the response to start the reproduction is received by the response receiving unit;
When the number of times or frequency specified by the response specifying unit is greater than or equal to a threshold value,
The inquiry unit does not make an inquiry to the user,
5. The tuner control unit according to claim 1, wherein the tuner control unit causes the tuner unit to start playing the broadcast content when the instruction is received by the instruction receiving unit. The portable terminal described. A response identifying unit that identifies the number of times or the frequency at which the response to start the reproduction is received by the response receiving unit;
The inquiry section
When the number or frequency specified by the response specifying unit is equal to or greater than a threshold, the reception quality for determining that the reception failure condition is satisfied is shifted to a lower level from the case where the number or frequency is less than the threshold. The mobile terminal according to claim 1, wherein the mobile terminal is a mobile terminal. In a portable terminal computer having a tuner unit for reproducing broadcast contents based on broadcast waves,
A position identifying step for identifying a current position of the mobile terminal;
An instruction receiving step for receiving an instruction to start reproduction of the broadcast content from a user;
When the instruction is received in the instruction receiving step, the reception quality at the current position specified in the position specifying step is stored in a reception quality storage unit that stores the reception quality of the broadcast wave at a plurality of positions. A reception quality identification step to identify;
When the reception quality specified in the reception quality specifying step satisfies a predetermined reception failure condition, an inquiry step for inquiring the user whether or not the reproduction is started,
A response receiving step for receiving a response from the user to the inquiry in the inquiry step;
A program for causing the tuner unit to execute a tuner control step that does not start playback of the broadcast content in response to the instruction when a response to start playback is not received in the response receiving step.

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